Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
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temporarily or
permanently
Air Conditioning Switch: Description and Operation
The air conditioning "On" signal informs the ECM the
A/C selector switch is turned on, and the
A/C pressure cycling switch is closed. Using this information, the ECM adjusts the engine idle speed as necessary to ensure a smooth idle.